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Class Information
Number: 369/220
Name: Dynamic information storage or retrieval > Dynamic mechanism subsystem > Having power driven transducer assembly > With drive transverse to storage track > Controlled by transducer assembly support
Description: Subject matter wherein the driving force is determined by a condition (e.g., position, movement) of the transducer supporting structure.

Patents under this class:

Patent Number Title Of Patent Date Issued
8416664 Driving circuit for stepping motor Apr. 9, 2013
8208352 Optical disc apparatus Jun. 26, 2012
6741542 Disk device May. 25, 2004
5761183 Optical pickup Jun. 2, 1998
5696753 Optical pickup feeding apparatus Dec. 9, 1997
5617397 Movable internal platform for a disk drive Apr. 1, 1997
5452278 Disc recognizing method for an optical disc playback apparatus Sep. 19, 1995
5442605 Head driving device with carriage assembly centroid position set where servo frequency is not delayed Aug. 15, 1995
5321684 Bidirectional sinusoidal scanning system Jun. 14, 1994
5278820 Apparatus and method for a radial access mechanism for a disk player/recorder Jan. 11, 1994
5193080 Magneto-optical recording medium and apparatus Mar. 9, 1993
5189660 Optical data storage system with unitary ferrous frame Feb. 23, 1993
5119362 Disc player with a pickup feeding apparatus Jun. 2, 1992
5036419 Electro-mechanical transducing element and a moving device using the same Jul. 30, 1991
5025371 Overload protected rack and pinion drive for an optical scanning device Jun. 18, 1991
4862441 Carriage assembly Aug. 29, 1989
4823219 Carriage recording head sandwiched by electromagnetic coil sections Apr. 18, 1989
4807219 Optical pickup feed unit of optical disk player Feb. 21, 1989
4512010 Apparatus for controlling linear tracking arm in record player Apr. 16, 1985
4504935 Electrodynamic focus and radial slide drive for an optical disc system Mar. 12, 1985
4453245 Apparatus for detecting position of a reproducing transducer in a rotary recording medium reproducing apparatus Jun. 5, 1984
4406002 Servo system for a videodisc player carriage assembly Sep. 20, 1983
4400807 Stylus position detecting apparatus Aug. 23, 1983
4390978 Carriage translating mechanism for video disc player Jun. 28, 1983
4327434 Video disc stylus position sensor system Apr. 27, 1982
4322840 Arm driving device in linear tracking pickup apparatus Mar. 30, 1982
4320493 Linear tracking arm assembly with electric brake Mar. 16, 1982
4313189 Stylus position sensor for video disc player apparatus Jan. 26, 1982
4268039 Tangential pick-up device for a gramophone turn-table May. 19, 1981
4200828 Pivoted arm control arrangement Apr. 29, 1980
4199149 Record player Apr. 22, 1980
4185836 Disc record player Jan. 29, 1980
4171817 Control device for controlling the movement of pickup arm of record player or the like Oct. 23, 1979
4139200 Apparatus for supporting a pickup arm on a disc player Feb. 13, 1979
4138121 Tone arm assembly Feb. 6, 1979
4111433 Tone arm control system Sep. 5, 1978
4083565 Device for correcting offset angle of pickup arm in tracking pickup apparatus Apr. 11, 1978
4076257 Apparatus for supporting phonographic tone arms Feb. 28, 1978
4046386 Control device Sep. 6, 1977
4039195 Pickup arm driving device in linear tracking pickup apparatus Aug. 2, 1977
3993316 Overhead signal pickup device Nov. 23, 1976
3993315 Automatic phonographs Nov. 23, 1976
3969574 Tubular player arm for an optical recording and reproducing device with drive coil and tachogenerator coil on other end Jul. 13, 1976

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